Basic Switch - Integer Argument Dry Run in C

Basic Switch - Integer Argument is an interactive C dry run visualizer from the Switch programs section. Study the source code, then use the execution controls to follow each step, variable update, highlighted line, and console output.

This page provides a browser-based dry run with source-code highlighting, auto-scroll, voice narration controls, and execution output for learning the program step by step.

Basic Switch - Integer Argument Program Code

#include <stdio.h>
int main() {
    int a = 30;
    
    switch(a) {
        case 10:
            printf("10\n");
            break;
        case 20:
            printf("20\n");
            break;
        case 30:
            printf("30\n");
            break;
        case 40:
            printf("40\n");
            break;
        default:
            printf("default\n");
            break;
    }
    return 0;
}

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